Kate Middleton held an audience at Buckingham Palace with the First Lady of Ukraine, Olena Zelenska, on Sunday.

Olena, who is the wife of Ukraine’s President Zelensky, travelled to the U.K. in order to pay her respects the late Queen Elizabeth. 

READ MORE: Prince William, Kate Middleton View Memorial Flowers In First Solo Outing As Prince And Princess of Wales

Both Middleton and Zelensky wore long black dresses as they sat speaking with each other at either side of a fireplace. 

Zelensky had earlier visited Westminster Hall, where the Queen is currently lying in state.

READ MORE: Eight-Year-Old Schoolgirl Cries With Joy After Kate Middleton Picks Her From A Crowd To Pay Tribute To The Queen With Corgi Toy

Zelensky made the journey to the U.K. without her husband, who remains in war-torn Ukraine.